DIY GPS Unit with Arduino Uno
This DIY GPS unit consists of an Arduino Uno, SSD1306 OLED display, and BN-220 GPS. It is powered by a 9V battery. In another post… Read More »DIY GPS Unit with Arduino Uno
This DIY GPS unit consists of an Arduino Uno, SSD1306 OLED display, and BN-220 GPS. It is powered by a 9V battery. In another post… Read More »DIY GPS Unit with Arduino Uno
I thought this GPS project would be done quickly, but found myself scratching my head for days on a weird issue. I still don’t know… Read More »Arduino Heap Space Workaround
The JDY-41 is a wireless transceiver module with some improvements over the similar JDY-40 which in highlighted in the post, Simple Wireless Serial Communication. The… Read More »JDY-41 Wireless Range Test
This Christmas-themed paper circuit uses no microcontroller, only a 555 timer and CD4017 decade counter to drive blinking LEDs. The KiCad project and other files… Read More »Flashy Paper Christmas Tree